The type of isomerism shown by C₆H₅CN and C₆H₅NC is:

1. Position

2. Functional

3. enantiomer

4. Tautomerism

The product D in the following sequence of reactoins is, 

${\mathrm{CH}}_3\mathrm{COOH}<mspace\; width="1em"></mspace>\stackrel{{\mathrm{NH}}_3}{\to }<mspace\; width="1em"></mspace>A<mspace\; width="1em"></mspace>\stackrel{\mathrm{Heat}}{\to }<mspace\; width="1em"></mspace>B<mspace\; width="1em"></mspace>\stackrel{{\mathrm{P}}_2{\mathrm{O}}_5}{\to }<mspace\; width="1em"></mspace>C<mspace\; width="1em"></mspace>\stackrel{\mathrm{Na}<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}}{\to }<mspace\; width="1em"></mspace>D$ :

1. Ester

2. Amine

3. Acid

4. Alcohol

An aromatic primary amine with cold nitrous acid leads to the formation of:

1. alcohol

2. nitrite

3. diazonium salt

4. benzene

The least basic aqueous solution among the following is:

1. $({\mathrm{CH}}_3{)}_2\mathrm{NH}$

2. ${\mathrm{CH}}_3{\mathrm{NH}}_2$

3. $({\mathrm{CH}}_3{)}_3\mathrm{N}$

4. ${\mathrm{C}}_6{\mathrm{H}}_5{\mathrm{NH}}_2$

Which one of the following on reduction with LiAlH₄ yields a secondary amine ?

[2007]

1. Methyl isocyanide

2. Acetamide

3. Methyl cyanide

4. Nitroethane

The IUPAC name of the compound having formula,

 $O=C—CH—C{H}_2$
$<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>|<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>|<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>|$
$<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>OH<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>N{H}_2<mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace><mspace\; width="1em"></mspace>OH$ is :

1. 3-Aminohydroxypropionic acid

2. 2-Amino-propan-3-oic acid

3. Amino hydroxy propionic acid

4. 2-Amino-3-hydroxy propanoic acid

In the reaction,

${\mathrm{CH}}_3\mathrm{CN}+2\mathrm{H}\underset{{\mathrm{SnCl}}_2}{\overset{\mathrm{HCl}}{\to }}X<mspace\; width="1em"></mspace>\stackrel{\mathrm{Boiling}<mspace\; width="1em"></mspace>{\mathrm{H}}_2\mathrm{O}}{\to }<mspace\; width="1em"></mspace>Y,$ the term Y is 

[1999]

1. Acetone

2. Ethanamine

3. Acetaldehyde

4. Dimethyl amine

RMgX on reacting with cyanogen chloride gives:

1. R-NC

2. R-Cl

3. R-CN

4. None of the above

X and Y in the given reaction are:

1. ${\mathrm{CH}}_3\mathrm{COOH}<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>({\mathrm{CH}}_3{)}_2\mathrm{NH}$

2. ${\mathrm{CH}}_3{\mathrm{CONH}}_2<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>{\mathrm{CH}}_3\mathrm{OH}$

3. ${\mathrm{CH}}_3\mathrm{CHO}<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>({\mathrm{CH}}_3{)}_2\mathrm{NH}$

4. ${\mathrm{CH}}_3{\mathrm{COCH}}_3<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>{\mathrm{CH}}_3{\mathrm{NH}}_2$

Which of the following is the strongest base ?
 

1.
2.
3.
4.

1.  

2. 

3. 

4.